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UPD178002 Datasheet(PDF) 28 Page - Renesas Technology Corp

Part # UPD178002
Description  MOS INTEGRATED CIRCUIT
PDF  50 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPD178002 Datasheet(HTML) 28 Page - Renesas Technology Corp

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µPD178002, 178003
Data Sheet U12628EJ3V0DS00
7. STANDBY FUNCTION
The following two standby functions are available for further reduction of system current consumption.
• HALT mode: In this mode, the CPU operation clock is stopped. The average current consumption can be
reduced by intermittent operation by combining this mode with the normal operation mode.
• STOP mode: In this mode, oscillation of the system clock is stopped. All the operations performed on the
system clock are suspended, resulting in extremely small power consumption.
Figure 7-1. Standby Function
8. RESET FUNCTION
The following two reset methods are available.
• External reset by RESET signal input
• Internal reset by Power On Clear (POC).
System clock operation
STOP mode
(System clock
oscillation stopped)
HALT mode
(Clock supply to CPU
halted, oscillation
maintained)
Interrupt
request
Interrupt
request
HALT
instruction
STOP
instruction



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